Paper and MediaIn addition to standard paper sizes and weights, you can use custom paper sizes and weights forautomatic 2-sided printing.CAUTIONS:• Do not use transparencies, envelopes, labels, or reloaded paper for automatic 2-sided printing.• Do not use media that does not meet the minimum size and weight requirements for automatic2-sided printing.• Do not use media that exceeds the maximum size and weight requirements for automatic2-sided printing.You can use the following custom paper sizes for automatic 2-sided printing.• Minimum print size 128 x 140 mm (5 x 5.5 in.)• Maximum print size 320 x 483 mm (12 x 19 in.)You can use the following custom paper weights for automatic 2-sided printing.• Minimum weight 60 g/m²• Maximum weight 256 g/m²Supported Paper Sizes for the Envelope TrayStandard Sizes Custom SizesC5 (162 x 229 mm, 6.4 x 9.0 in.)DL (110 x 220 mm, 4.33 x 8.66 in.)Monarch (88 x 191 mm, 3.9 x 7.5 in.)Number 10 Commercial (105 x 241 mm, 4.125 x 9.5 in.)Minimum: 148 x 98 mm (5.8 x 3.9 in.)Maximum: 241 x 162 mm (9.5 x 6.4 in.)Supported Custom Paper SizesTray Number Paper SizesPrinter Tray 1 Minimum: 140 x 182 mm (5.5 x 7.2 in.)Maximum: 297 x 432 mm (11.7 x 17 in.)Trays 2–4 of the 3-Tray ModuleTray 2 of the High-Capacity Tandem Tray ModuleTray 2 of the 1-Tray ModuleMinimum: 140 x 182 mm (5.5 x 7.2 in.)Maximum: 320 x 457 mm (12.6 x 18 in.)Tray 5 Minimum: 89 x 98 mm (3.5 x 3.9 in.)Maximum: 320 x 483 mm (12.6 x 19 in.)Envelope Tray Width: 148–241 mm (5.8–9.5 in.)Length: 98–162 mm (3.9–6.4 in.)54 Xerox ® WorkCentre® 7970 Multifunction PrinterUser Guide